A battery pack for a camera includes a main housing for containing one or more batteries. An adaptor electrically connected to the one or more batteries protrudes from the main housing and is configured for electrical engagement with a camera supported on the main housing. The battery pack optionally includes one or more of the following: a display screen on the main housing for displaying system functions or images and videos captured by the camera; a wireless transmission device in the main housing for transmitting images captured by the camera to a remote receiver; one or more memory unit housings in the main housing for receiving one or more memory units.